(19)
(11) EP 3 545 142 A1

(12)

(43) Date of publication:
02.10.2019 Bulletin 2019/40

(21) Application number: 17874617.8

(22) Date of filing: 15.11.2017
(51) International Patent Classification (IPC): 
E03F 3/04(2006.01)
F16L 9/19(2006.01)
E03B 7/12(2006.01)
(86) International application number:
PCT/SE2017/051131
(87) International publication number:
WO 2018/097783 (31.05.2018 Gazette 2018/22)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 28.11.2016 SE 1651556

(71) Applicant: Andersson, Ingemar
570 21 Malmbäck (SE)

(72) Inventor:
  • Andersson, Ingemar
    570 21 Malmbäck (SE)

(74) Representative: Zacco Sweden AB 
P.O. Box 5581
114 85 Stockholm
114 85 Stockholm (SE)

   


(54) A WATER AND SEWAGE ANTI-FREEZING SYSTEM